On Wed, 20 Aug 2003, Robert Watson wrote:
On Wed, 20 Aug 2003, Lars Eggert wrote:
I think you mentioned in the past that NetBSD (OpenBSD?) has bridge code
that implements the pseudo-device approach?
FreeBSD has both. If you use netgraph bridging then you are using a more "link level device" like approach.
Nope. Neither netgraph nor bridge(4) produce a pseudo-interface. Unfortunately. It would have solved the problem I was discussing with you (alas, I found a y2k thread, in which Archie and you were also present, about that very same problem).
Netgraph's ng_iface is not enough, because it's much more limitted.
I had an older set of patches (4.x?) that implemented a bridgeX interface that saw all of the packets bridged by the bridge. However, it was just a pseudo-interface for the purposes of BPF -- it didn't carry a link local address, etc. I never tested for interop with IPv6. You can find a very old version of this at www.watson.org/~robert/freebsd/bridge.patch. It required some cleanup of the interactions between the bridge code and IPFW code that have probably since happened in the main tree as well, so the chances of this applying or working are effectively 0. :-)
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects [EMAIL PROTECTED] Network Associates Laboratories
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